td5 probs

trying to find where this noise is coming from,like a metal rattle noise,well changed most things,and then tried just appling slight presure to crankshaft pulley with ade of the belt and there is the noise again,so not pas pump water pump or anything else,has anyone come across this,and can help[ me to know what the prob is,only very slight presure needed,and there is no play that you can move with your hands

Noise from where

when slight presure is put on crankshaft with belt

so noise is on front around timming chain cover